<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
        "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
    <title>表格的列合并</title>
    <!--告诉浏览器当前网页采用的编码格式是utf-8-->
    <meta http-equiv="content-type" content="text/html;charset=utf-8">
</head>
<body>
<!---->
<table width="60%" align="center" border="1px" cellspacing="0" cellpadding="0">
    <tr>
        <td colspan="2">1</td>
        <td>3</td>
        <td>4</td>
    </tr>
    <tr>
        <td>5</td>
        <td colspan="2">6</td>
        <td>8</td>
    </tr>
    <tr>
        <td colspan="4">9</td>
    </tr>
</table>



</body>
</html>